(0 21 7)(1 19 17 9 6)(2 20 4)(3 10 5)(8 18 16 13 11)(12 15 14)
ALLOWS (11/8)-SEQUENCE
1: (0 2 7)

(0)(1 19 17 9 6)(2 21 7 20 4)(3 10 5)(8 18 16 13 11)(12 15 14)
2: (1 19 6)

(0)(1)(2 21 7 20 4)(3 10 5)(6 17 9)(8 18 16 13 11)(12 15 14)(19)
3: (4 7 20)

(0)(1)(2 21 7)(3 10 5)(4)(6 17 9)(8 18 16 13 11)(12 15 14)(19)(20)
4: (3 10 5)

(0)(1)(2 21 7)(3)(4)(5)(6 17 9)(8 18 16 13 11)(10)(12 15 14)(19)(20)